Nazare Big Wave Challenge Gets Yellow Alert, Could Run Saturday in Giant Waves
70-foot plus waves predicted for Portuguese big wave tow surfing competition.
Surf Forecasts:
Sanguessuga surfForecast / Alentejo / Portugal
48hr Weather and Surf, issued 5 am Thursday 11 Dec 2025 WETForecast update in hr min s Forecast update imminent
Sanguessuga surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Sanguessuga sea temperature is
16.4° C
(Which is slightly cooler than normal)How big are the waves at Sanguessuga today?
The current surf forecast for Sanguessuga at 8AM is: 3.0m 13s primary swell from a West-northwest direction (forecast issued at 05:00am December 11). The wind direction is predicted to be glassy and the swell rating is 11.
| Time (WET) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (11 Dec) | 10ft (3.0m) | 13s |
| Afternoon (11 Dec) | 8ft (2.4m) | 13s |
| Evening (11 Dec) | 6.5ft (2.0m) | 13s |
Table - waves today at Sanguessuga. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Thursday 11 | Friday 12 | Saturday 13 | Sun 14 | |||||||||||||||||||||
| 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 14 | 13 | 13 | 13 | 16 | 19 | 19 | 18 | 18 | 18 | 17 | 17 | 16 | 16 | 16 | 15 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 3348 | 3257 | 3070 | 2545 | 1968 | 1504 | 1321 | 996 | 2019 | 2490 | 2199 | 3028 | 8467 | 13703 | 15263 | 14136 | 13349 | 11974 | 10569 | 9277 | 7122 | 5727 | 4954 | 3609 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | off | glass | glass | cross- on | on | cross | cross | cross | cross | cross- off | cross- off | cross- off | off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off |
High Tide / height (m) | 7:16AM 2.96 | 8:02PM 2.61 | 8:21AM 2.83 | 9:10PM 2.59 | 9:29AM 2.76 | 10:15PM 2.63 | ||||||||||||||||||
Low Tide / height (m) | 12:49AM 1.28 | 1:48PM 1.17 | 1:59AM 1.38 | 2:58PM 1.25 | 3:14AM 1.42 | 4:02PM 1.26 | ||||||||||||||||||
Thursday 11 | Friday 12 | Saturday 13 | Sun 14 | |||||||||||||||||||||
| Sunrise | - | - | 7:39 | - | - | - | - | - | - | - | 7:41 | - | - | - | - | - | - | - | 7:41 | - | - | - | - | - |
| Sunset | - | - | - | - | 5:15 | - | - | - | - | - | - | - | 5:15 | - | - | - | - | - | - | - | 5:15 | - | - | - |
 | |  | | |  | | |  | |  |  | | |  | | | | |  | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | 1 | 4 | 3 | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 11 | 11 | 11 | 14 | 15 | 14 | 14 | 14 | 13 | 12 | 12 | 13 | 14 | 13 | 12 | 11 | 12 | 12 | 12 | 16 | 18 | 15 | 14 | 13 |
| Feels °C (?) | 10 | 10 | 10 | 13 | 13 | 13 | 13 | 13 | 12 | 9 | 9 | 10 | 12 | 10 | 9 | 8 | 9 | 9 | 8 | 12 | 15 | 11 | 10 | 9 |
- Map Icons:
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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